SICK W9 Series Photoelectric Sensor

Photoelectric sensor enclosed in durable housing for protection against harsh environments. LED or laser light, with SIRIC optical and electromagnetic suppression.

This model has 217 variants.
Effective August 29th, 2025 SICK has added a 9.8% surcharge for all of their products. The surcharge will appear as a separate line item on each sales order.
Part Number
  • W9 Series
Highlights...

Features

  • Functional principle(s):
    • Photoelectric proximity sensor
    • Photoelectric retro-reflective sensor
    • Photo electric through-beam sensor
  • Functional principle detail(s):
    • Background suppression
    • Without reflector minimum distance (autocollimation/coaxial optics)
    • Foreground suppression
    • Dual lens system (min. distance to reflector)
  • Light source(s): LED, PinPoint LED, Laser
  • Light type(s): red (visible), infrared, visible blue light
  • Sensing range(s): 0 up to 60m
  • Switching output(s): NPN/PNP
  • Switching mode: light, dark, light/dark
  • Variable adjustment methods
  • SIRIC technology
    • optical and electromagnetic interference suppression
  • Various connection types
  • Enclosure rating: IP66 / IP67 / IP69K (dependent on type)
    • Rugged VISTAL housing

The SICK W9 Series Photoelectric Sensor offers precise detection of small objects and object features. This product series can be reliably used in harsh industrial environments. Functional designs include photoelectric proximity sensors, photoelectric retro-reflective sensors, as well as through-beam photoelectric sensors. All sensor variants are equipped with advanced laser and LED technology, and are enclosed in durable VISTAL housing. The W9 Series integrates SICK´s SIRIC technology, which effectively suppresses optical and electromagnetic interference. With various connection types, mounting and sensing options, the W9 Series sensors are an ideal solution for a variety of application needs in the automation environment.

Applications

• Detection of the smallest work pieces or fine details on products
• Detection through narrow openings
• Checks for protrusions or misalignment
• Detection of objects within a short distance from difficult backgrounds
• Detection of transparent objects
• Object detection in harsh industrial environments